1122011203 has 4 divisors (see below), whose sum is σ = 1188011880. Its totient is φ = 1056010528.

The previous prime is 1122011129. The next prime is 1122011243. The reversal of 1122011203 is 3021102211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1122011203 - 2⁹ = 1122010691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122011243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33000313 + ... + 33000346.

It is an arithmetic number, because the mean of its divisors is an integer number (297002970).

Almost surely, 2^1122011203 is an apocalyptic number.

1122011203 is a deficient number, since it is larger than the sum of its proper divisors (66000677).

1122011203 is an equidigital number, since it uses as much as digits as its factorization.

1122011203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66000676.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1122011203 is about 33496.4356760537. The cubic root of 1122011203 is about 1039.1200653082.

Adding to 1122011203 its reverse (3021102211), we get a palindrome (4143113414).

The spelling of 1122011203 in words is "one billion, one hundred twenty-two million, eleven thousand, two hundred three".